Had to cancel my first preoder becas it comes out it was upgrade version,bought a OEM version from diffrent shop. OEM version does it mean I can install it only on my current PC,for example if i change my PC to different motherboard will I still be able to use windows 8 without any problems or is it restricted to one hardware, where u first time install it?

That's a good question...though, for the record, with Windows 7 you could still do a full, clean install with an upgrade version (not requiring any previous version of Windows installed or it's key). You just needed to leave "auto activate windows when online" box unchecked during install process. Can't say the same for 8 for sure though. So if it turns out the OEM version is in fact more restrictive it's possible you may want to go back to the upgrade version even if no earlier version owned. Googling this stuff should provide some answers as well.

Speaking of upgrades, US customers with a Microcenter can get a boxed Upgrade copy for $39 in-store (some places sold out already). For others, Amazon has apparently essentially matched the deal with $30 store credit on a full promo price copy.

That's a good question...though, for the record, with Windows 7 you could still do a full, clean install with an upgrade version (not requiring any previous version of Windows installed or it's key). You just needed to leave "auto activate windows when online" box unchecked during install process. Can't say the same for 8 for sure though. So if it turns out the OEM version is in fact more restrictive it's possible you may want to go back to the upgrade version even if no earlier version owned. Googling this stuff should provide some answers as well.

Speaking of upgrades, US customers with a Microcenter can get a boxed Upgrade copy for $39 in-store (some places sold out already). For others, Amazon has apparently essentially matched the deal with $30 store credit on a full promo price copy.

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Thanks for answear, but I orderd a oem copy, becuase I dont have win 7 copy and I dont want to install win7 and then again win8 each time win 8 breaks down.

Thanks for answear, but I orderd a oem copy, becuase I dont have win 7 copy and I dont want to install win7 and then again win8 each time win 8 breaks down.

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Worse thing that would happen with an upgrade is that you would need to install 2 times (install once- don't enter key, don't install updates) then install a 2nd time, install updates, and validate windows)

If you buy an upgrade you can always download an iso of the regular version and use your upgrade key

Both of these worked for Windows 7 and would most likely work with 8 as well.

Yeah...it was kind of weird for me at one point. I must have custom clean installed 7 upgrade two or three different times with auto checked (as that is default) before I got a problem where it would not activate and I ended up finding that tip and have just always done it since. Though, actually, before I did find that I ended up installing Vista once first (a copy of which I just happened to have from work).

Its also FAST, faster than 7 if thats possible.. Not sure how much of that newfound speed can be chalked up to the fresh install vs my old install on 7.

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Sure it's possible, and in fact is it expected based on both the various new under-the-hood improvements as well as early benchmarks. W1z's gaming performance review showed 8 faster across the board, though granted the margin was not very large. Cool that you are noticing it though, yeah, a clean install in the equation as well...

When you do the Window 8 "update" does it give you the option of a clean install (format, install) or does it leave a folder windows.old (installs over old OS but leaves it) in the HD?

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Another good question.

Here is syndicated columnist Andy Ihnatko's mini-review of 8. Being in newspapers and such he is a more simple and consumer-oriented reviewer but I like his take on it (and the guy does know his stuff in general).

Are clean installations an option during the upgrade process? LeBlanc mentions that users can select to format the hard drive they want to install Windows 8 Pro on during the upgrade process. This may include the drive the earlier version of Windows was installed on, which is excellent news for users who want to start with a clean fresh operating system. It needs to be mentioned that no data can be migrated from the old operating system to the new if format is selected.

I just upgraded to Windows 8 Pro for $14.99. Wouldn't have done it, but so cheap I couldn't resist. Honestly I am liking it, nothing major or anything, but I am liking it so far. /shrug

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Well new, different shit to check out and play with is usually fun. Unless it just totally sucks/fails in it's intended purpose or makes your PC catch on fire or something.

EDIT:Whoa whoa hold the phone that dude in that "4 things" article says because some suit at MS told him that "an upgrade requires a previous version of Windows installed" that we should "now assume" a clean install with upgrade media is "no longer possible"? Um, excuse me, this is exactly the same thing MS says every time-their EULA and lawyers require it, for starters-and it has still always been possible, one way or another, even since online "activation" came into being. So, yeah, someone here still needs to just try it with 8 already but on the surface (no pun!) it looks to me like nothing has changed in this regard and it very well may still be possible. Would frankly be surprised if not.